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AD1938

更新时间： 2024-11-21 04:03:39

品牌	Logo	应用领域
亚德诺 - ADI		解码器编解码器
页数	文件大小	规格书
30页	382K
描述
4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC

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AD1938 数据手册

4 ADC/8 DAC with PLL,

192 kHz, 24 Bit CODEC

Preliminary Technical Data

AD1935/AD1936/AD1937/AD1938/AD1939

Features

Applications

PLL generated (32-192kHz) or direct master clock

Low EMI design

109 dB DAC/ 107dB ADC Dynamic Range and SNR

-94dB THD+N

Automotive audio systems

Home theater systems

Set-top boxes

Digital audio effects processors

Single 3.3V Supply

Tolerance for 5V logic inputs

GENERAL DESCRIPTION

Supports 24-bits and 8 kHz - 192 kHz sample rates

Differential ADC input

The AD193X family are high performance, single-chip codecs that

provide 4 ADCs with differential input and 8 DACs with either

single-ended or differential output using ADI’s patented multibit

sigma-delta architecture. An SPI® or I²C® port is included, allowing

a microcontroller to adjust volume and many other parameters.

The AD193X family operates from 3.3V digital and analog supplies.

The AD193X is available in a 48-lead (SE output) or 64-lead

(differential output) LQFP package.

Single-ended or Differential DAC output versions

Log volume control with "auto-ramp" function

Hardware and software controllable clickless mute

Software and hardware power-down

Right justified, left justified, I²S and TDM Modes

Master and slave modes up to 16 channel in/out

48-lead LQFP or 64-lead LQFP plastic package

The AD193X is designed for low EMI. This consideration is

apparent in both the system and circuit design architectures. By

using the on-board PLL to derive master clock from L-R clock, the

AD193X eliminates the need for a separate high frequency master

clock. It can also be used with a suppressed bit clock. The D-A and

A-D converters are designed using the latest ADI continuous time

architectures to further minimize EMI. By using 3.3V supplies,

power consumption is minimized, further reducing emissions.

Functional Block Diagram

Digital Audio

Input/Output

AD193X

Serial Data Port

DAC

SDATAOUT

SDATAIN

ADC

Digital

Filter

Digital

Filter

DAC

Analog

Audio

ADC

Analog

Audio

Inputs

Volume

Control

CLOCKS

Outputs

ADC

Timing Management

Control

(Clock & PLL)

Precision

Voltage

Reference

Control Port

SPI / I²C

Control Data

Input/Output

Figure 1

Rev. PrI

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective companies.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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与AD1938相关器件

型号	品牌	获取价格	描述	数据表
AD1938WBSTZ	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec
AD1938WBSTZRL	ADI	获取价格	暂无描述
AD1938WBSTZ-RL	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec
AD1938XSTZ	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
AD1938XSTZRL	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
AD1938YSTZ	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC
AD1938YSTZRL	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC
AD1939	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC
AD1939WBSTZ	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec
AD1939WBSTZ-RL	ADI	获取价格	4 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec

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